Table 1. Representative NiO/MgO solid... | Emerald Publishing

Table 1.

Representative NiO/MgO solid solution catalysts for dry methane reforming in recent years

Catalyst	Preparation method	Reduction condition	Reaction conditions				Conversion/%
Catalyst	Preparation method	Reduction condition	Feedgas	T: °C	GHSV: L/g/h	TOS: h	CH₄	CO₂
10wt% Ni/MgO46	Impregnation	H₂, 800°C, 1 h	CH₄/CO₂/N₂ = 3:3:1	800	42	7.5	83	87
Ni/MgO47	Impregnation	600°C, 4 h H₂/Ar (5 vol%)	CH₄/CO₂/N₂ = 10/10/5	550	15	1000	30	20
6 wt% Ni/MgO35	Impregnation	H₂, 650°C, 10 h	CH₄/CO₂ = 1:1	650	36	10	32.6	45.7
Ni_0.05Mg_0.95O48	Solvothermal synthesis	H₂, 800°C, 14 h	CH₄/CO₂/Ar = 1/1/2	760	4	100	67.7	78
Ni_0.10Mg_0.90O49	Co-precipitation	H₂, 700°C, 2 h	CH₄/CO₂ = 1/1	600	14	5	66.88	77.45
Ni_0.1Mg_0.9O50	Co-precipitation	H₂, 700°C, 4 h	CH₄/CO₂ = 1/1	600	14	122	70	80
5% Ni/MgO51	Sol–gel	H₂, 750°C, 4 h	CO₂/CH₄ = 1/3	550–750	30–120	50	72	78
10% Ni/MgO40	Sol–gel	H₂, 750°C, 4 h	CO₂/CH₄ = 1/3	550–750	30	20	74.6	82.1
Ni_0.1Mg_0.9O52	Sol–gel	H₂/N₂ (2/3), 700°C, 2 h	CH₄/CO₂ = 1/1	750	60	20	86	93
10% Ni/MgO4	Combustion	5% H₂, 600°C, 2 h	CH₄/CO₂/He = 1/1/3	600–700	72	25	80	95
20-8053	Microemulsion synthesis	30% H₂/ N₂, 550/800°C, 2 h	CH₄/CO₂ = 1/1	750–850	16.8	2	60	65
Ni_xMg_1−xO25	Co-precipitation	5% H₂/Ar, 800°C, 1 h	CH₄/CO₂/Ar = 1/1/3	700	30	36	81.5	88.5
Ni/MgO54	Microemulsion synthesis	30% H₂/N₂, 550, 2 h	CH₄/CO₂ = 1/1	550–850	16.8	2	49.93	54.80

Catalyst	Preparation method	Reduction condition	Reaction conditions				Conversion/%
Catalyst	Preparation method	Reduction condition	Feedgas	T: °C	GHSV: L/g/h	TOS: h	CH₄	CO₂
10wt% Ni/MgO46	Impregnation	H₂, 800°C, 1 h	CH₄/CO₂/N₂ = 3:3:1	800	42	7.5	83	87
Ni/MgO47	Impregnation	600°C, 4 h H₂/Ar (5 vol%)	CH₄/CO₂/N₂ = 10/10/5	550	15	1000	30	20
6 wt% Ni/MgO35	Impregnation	H₂, 650°C, 10 h	CH₄/CO₂ = 1:1	650	36	10	32.6	45.7
Ni_0.05Mg_0.95O48	Solvothermal synthesis	H₂, 800°C, 14 h	CH₄/CO₂/Ar = 1/1/2	760	4	100	67.7	78
Ni_0.10Mg_0.90O49	Co-precipitation	H₂, 700°C, 2 h	CH₄/CO₂ = 1/1	600	14	5	66.88	77.45
Ni_0.1Mg_0.9O50	Co-precipitation	H₂, 700°C, 4 h	CH₄/CO₂ = 1/1	600	14	122	70	80
5% Ni/MgO51	Sol–gel	H₂, 750°C, 4 h	CO₂/CH₄ = 1/3	550–750	30–120	50	72	78
10% Ni/MgO40	Sol–gel	H₂, 750°C, 4 h	CO₂/CH₄ = 1/3	550–750	30	20	74.6	82.1
Ni_0.1Mg_0.9O52	Sol–gel	H₂/N₂ (2/3), 700°C, 2 h	CH₄/CO₂ = 1/1	750	60	20	86	93
10% Ni/MgO4	Combustion	5% H₂, 600°C, 2 h	CH₄/CO₂/He = 1/1/3	600–700	72	25	80	95
20-8053	Microemulsion synthesis	30% H₂/ N₂, 550/800°C, 2 h	CH₄/CO₂ = 1/1	750–850	16.8	2	60	65
Ni_xMg_1−xO25	Co-precipitation	5% H₂/Ar, 800°C, 1 h	CH₄/CO₂/Ar = 1/1/3	700	30	36	81.5	88.5
Ni/MgO54	Microemulsion synthesis	30% H₂/N₂, 550, 2 h	CH₄/CO₂ = 1/1	550–850	16.8	2	49.93	54.80

GHSV: gas hourly space velocity; TOS: time on stream